xref: /netbsd/sys/ufs/chfs/chfs_pool.h (revision 060d2ed9)
1 /*	$NetBSD: chfs_pool.h,v 1.1 2011/11/24 15:51:31 ahoka Exp $	*/
2 
3 /*-
4  * Copyright (c) 2010 Department of Software Engineering,
5  *		      University of Szeged, Hungary
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by the Department of Software Engineering, University of Szeged, Hungary
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef _FS_CHFS_CHFS_POOL_H_
34 #define _FS_CHFS_CHFS_POOL_H_
35 
36 
37 /* --------------------------------------------------------------------- */
38 
39 struct chfs_pool {
40 	struct pool		chp_pool;
41 	struct chfs_mount *	chp_mount;
42 	char			chp_name[64];
43 };
44 
45 /* --------------------------------------------------------------------- */
46 
47 struct chfs_str_pool {
48 	struct chfs_pool	chsp_pool_16;
49 	struct chfs_pool	chsp_pool_32;
50 	struct chfs_pool	chsp_pool_64;
51 	struct chfs_pool	chsp_pool_128;
52 	struct chfs_pool	chsp_pool_256;
53 	struct chfs_pool	chsp_pool_512;
54 	struct chfs_pool	chsp_pool_1024;
55 };
56 
57 /* --------------------------------------------------------------------- */
58 #ifdef _KERNEL
59 
60 /*
61  * Convenience functions and macros to manipulate a chfs_pool.
62  */
63 
64 void	chfs_pool_init(struct chfs_pool *chpp, size_t size,
65     const char *what, struct chfs_mount *chmp);
66 void	chfs_pool_destroy(struct chfs_pool *chpp);
67 
68 #define	CHFS_POOL_GET(chpp, flags) pool_get((struct pool *)(chpp), flags)
69 #define	CHFS_POOL_PUT(chpp, v) pool_put((struct pool *)(chpp), v)
70 
71 /* --------------------------------------------------------------------- */
72 
73 /*
74  * Functions to manipulate a chfs_str_pool.
75  */
76 
77 void	chfs_str_pool_init(struct chfs_str_pool *, struct chfs_mount *);
78 void	chfs_str_pool_destroy(struct chfs_str_pool *);
79 char *	chfs_str_pool_get(struct chfs_str_pool *, size_t, int);
80 void	chfs_str_pool_put(struct chfs_str_pool *, char *, size_t);
81 
82 #endif
83 
84 #endif /* _FS_CHFS_CHFS_POOL_H_ */
85